#def squaretessellation(sfrac(p.x, 2), sfrac(p.y, 2)):
 #   if(x <= 1):
        
  #  elif(x > 1):
   # return 

def triangletessellation():
    rotate(60)
    return

def polygontessellation():
    rotate(120)
    return

Kae1 = lambda p: hsv((tounit(p.x)*2*pi, tounit(p.y), 1))
#Kae2 = lambda p: lightenC(p.x)(C(1,0,0))
#Kae3 = lambda p: negC(p.x)